EXPLANATIONS AND REFERENCES, 

 PLATE CXV. 



Figures magnified 125 diameters. 



PAGE. 



Fig. 1-4. CHROOLEPDS AUREUM, fruiting plants, . . .121 



" 5-7. Another form of the same species, . . . .121 



" 8-15. Zoosporangia, . . . . . . .121 



Figs. 16, 17. Zoospores escaping, . . . . . .121 



Fig. 18-21. Zoospores in different stages of copulation, . .' . 121 



" 22-25. C. AUREUM, Var. corticulatwn, . . . .121 



" 26-29. Sporangial cells, . . ... 121 



" 30-33. C. MONILIFORME, Kg., . ... 123 



